wbrawner/openssl
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions
openssl/apps/ocsp.c
Dr. Stephen Henson e8af92fcb1 Implement remaining OCSP verify checks in 
accordance with RFC2560.
2001-01-18 01:35:39 +00:00

494 lines
12 KiB
C
Raw Blame History

/* ocsp.c */
/* Written by Dr Stephen N Henson (shenson@bigfoot.com) for the OpenSSL
* project 2000.
*/
/* ====================================================================
* Copyright (c) 1999 The OpenSSL Project. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. All advertising materials mentioning features or use of this
* software must display the following acknowledgment:
* "This product includes software developed by the OpenSSL Project
* for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
*
* 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
* endorse or promote products derived from this software without
* prior written permission. For written permission, please contact
* licensing@OpenSSL.org.
*
* 5. Products derived from this software may not be called "OpenSSL"
* nor may "OpenSSL" appear in their names without prior written
* permission of the OpenSSL Project.
*
* 6. Redistributions of any form whatsoever must retain the following
* acknowledgment:
* "This product includes software developed by the OpenSSL Project
* for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
*
* THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
* OF THE POSSIBILITY OF SUCH DAMAGE.
* ====================================================================
*
* This product includes cryptographic software written by Eric Young
* (eay@cryptsoft.com). This product includes software written by Tim
* Hudson (tjh@cryptsoft.com).
*
*/
#include <stdio.h>
#include <string.h>
#include <openssl/pem.h>
#include <openssl/ocsp.h>
#include <openssl/err.h>
#include "apps.h"
static int add_ocsp_cert(OCSP_REQUEST **req, X509 *cert, X509 *issuer);
static int add_ocsp_serial(OCSP_REQUEST **req, char *serial, X509 *issuer);
#undef PROG
#define PROG ocsp_main
int MAIN(int, char **);
int MAIN(int argc, char **argv)
{
char **args;
char *host = NULL, *path = "/";
char *reqin = NULL, *respin = NULL;
char *reqout = NULL, *respout = NULL;
char *signfile = NULL, *keyfile = NULL;
char *outfile = NULL;
int add_nonce = 1;
OCSP_REQUEST *req = NULL;
OCSP_RESPONSE *resp = NULL;
OCSP_BASICRESP *bs = NULL;
X509 *issuer = NULL, *cert = NULL;
X509 *signer = NULL;
EVP_PKEY *key = NULL;
BIO *cbio = NULL, *derbio = NULL;
BIO *out = NULL;
int req_text = 0, resp_text = 0;
char *CAfile = NULL, *CApath = NULL;
X509_STORE *store = NULL;
int ret = 1;
int badarg = 0;
int i;
if (bio_err == NULL) bio_err = BIO_new_fp(stderr, BIO_NOCLOSE);
ERR_load_crypto_strings();
args = argv + 1;
while (!badarg && *args && *args[0] == '-')
{
if (!strcmp(*args, "-out"))
{
if (args[1])
{
args++;
outfile = *args;
}
else badarg = 1;
}
else if (!strcmp(*args, "-host"))
{
if (args[1])
{
args++;
host = *args;
}
else badarg = 1;
}
else if (!strcmp(*args, "-nonce"))
add_nonce = 2;
else if (!strcmp(*args, "-no_nonce"))
add_nonce = 0;
else if (!strcmp(*args, "-text"))
{
req_text = 1;
resp_text = 1;
}
else if (!strcmp(*args, "-req_text"))
req_text = 1;
else if (!strcmp(*args, "-resp_text"))
resp_text = 1;
else if (!strcmp(*args, "-reqin"))
{
if (args[1])
{
args++;
reqin = *args;
}
else badarg = 1;
}
else if (!strcmp(*args, "-respin"))
{
if (args[1])
{
args++;
respin = *args;
}
else badarg = 1;
}
else if (!strcmp(*args, "-signer"))
{
if (args[1])
{
args++;
signfile = *args;
}
else badarg = 1;
}
else if (!strcmp (*args, "-CAfile"))
{
if (args[1])
{
args++;
CAfile = *args;
}
else badarg = 1;
}
else if (!strcmp (*args, "-CApath"))
{
if (args[1])
{
args++;
CApath = *args;
}
else badarg = 1;
}
else if (!strcmp(*args, "-signkey"))
{
if (args[1])
{
args++;
keyfile = *args;
}
else badarg = 1;
}
else if (!strcmp(*args, "-reqout"))
{
if (args[1])
{
args++;
reqout = *args;
}
else badarg = 1;
}
else if (!strcmp(*args, "-respout"))
{
if (args[1])
{
args++;
respout = *args;
}
else badarg = 1;
}
else if (!strcmp(*args, "-path"))
{
if (args[1])
{
args++;
path = *args;
}
else badarg = 1;
}
else if (!strcmp(*args, "-issuer"))
{
if (args[1])
{
args++;
X509_free(issuer);
issuer = load_cert(bio_err, *args, FORMAT_PEM);
if(!issuer) goto end;
}
else badarg = 1;
}
else if (!strcmp (*args, "-cert"))
{
if (args[1])
{
args++;
X509_free(cert);
cert = load_cert(bio_err, *args, FORMAT_PEM);
if(!cert) goto end;
if(!add_ocsp_cert(&req, cert, issuer))
goto end;
}
else badarg = 1;
}
else if (!strcmp(*args, "-serial"))
{
if (args[1])
{
args++;
if(!add_ocsp_serial(&req, *args, issuer))
goto end;
}
else badarg = 1;
}
else badarg = 1;
args++;
}
/* Have we anything to do? */
if (!req && !reqin && !respin) badarg = 1;
if (badarg)
{
BIO_printf (bio_err, "OCSP utility\n");
BIO_printf (bio_err, "Usage ocsp [options]\n");
BIO_printf (bio_err, "where options are\n");
BIO_printf (bio_err, "-out file output filename\n");
BIO_printf (bio_err, "-issuer file issuer certificate\n");
BIO_printf (bio_err, "-cert file certificate to check\n");
BIO_printf (bio_err, "-serial n serial number to check\n");
BIO_printf (bio_err, "-signer file certificate to sign OCSP request with\n");
BIO_printf (bio_err, "-signkey file private key to sign OCSP request with\n");
BIO_printf (bio_err, "-req_text print text form of request\n");
BIO_printf (bio_err, "-resp_text print text form of response\n");
BIO_printf (bio_err, "-text print text form of request and response\n");
BIO_printf (bio_err, "-reqout file write DER encoded OCSP request to \"file\"\n");
BIO_printf (bio_err, "-respout file write DER encoded OCSP reponse to \"file\"\n");
BIO_printf (bio_err, "-reqin file read DER encoded OCSP request from \"file\"\n");
BIO_printf (bio_err, "-respin file read DER encoded OCSP reponse from \"file\"\n");
BIO_printf (bio_err, "-nonce add OCSP nonce to request\n");
BIO_printf (bio_err, "-no_nonce don't add OCSP nonce to request\n");
BIO_printf (bio_err, "-host host:n send OCSP request to host on port n\n");
BIO_printf (bio_err, "-path path to use in OCSP request\n");
goto end;
}
if(outfile) out = BIO_new_file(outfile, "w");
else out = BIO_new_fp(stdout, BIO_NOCLOSE);
if(!out)
{
BIO_printf(bio_err, "Error opening output file\n");
goto end;
}
if (!req && (add_nonce != 2)) add_nonce = 0;
if (!req && reqin)
{
derbio = BIO_new_file(reqin, "rb");
if (!derbio)
{
BIO_printf(bio_err, "Error Opening OCSP request file\n");
goto end;
}
req = d2i_OCSP_REQUEST_bio(derbio, NULL);
BIO_free(derbio);
if(!req)
{
BIO_printf(bio_err, "Error reading OCSP request\n");
goto end;
}
}
if (!req && (signfile || reqout || host || add_nonce))
{
BIO_printf(bio_err, "Need an OCSP request for this operation!\n");
goto end;
}
if (req) OCSP_request_add1_nonce(req, NULL, -1);
if (signfile)
{
if (!keyfile) keyfile = signfile;
signer = load_cert(bio_err, signfile, FORMAT_PEM);
if (!signer)
{
BIO_printf(bio_err, "Error loading signer certificate\n");
goto end;
}
key = load_key(bio_err, keyfile, FORMAT_PEM, NULL, NULL);
if (!key)
{
BIO_printf(bio_err, "Error loading signer private key\n");
goto end;
}
if (!OCSP_request_sign(req, signer, key, EVP_sha1(), NULL, 0))
{
BIO_printf(bio_err, "Error signing OCSP request\n");
goto end;
}
}
if (reqout)
{
derbio = BIO_new_file(reqout, "wb");
if (!derbio)
{
BIO_printf(bio_err, "Error opening file %s\n", reqout);
goto end;
}
i2d_OCSP_REQUEST_bio(derbio, req);
BIO_free(derbio);
}
if (req_text && req) OCSP_REQUEST_print(out, req, 0);
if (host)
{
cbio = BIO_new_connect(host);
if (!cbio)
{
BIO_printf(bio_err, "Error creating connect BIO\n");
goto end;
}
if (BIO_do_connect(cbio) <= 0)
{
BIO_printf(bio_err, "Error connecting BIO\n");
goto end;
}
resp = OCSP_sendreq_bio(cbio, path, req);
BIO_free(cbio);
cbio = NULL;
if (!resp)
{
BIO_printf(bio_err, "Error querying OCSP responsder\n");
goto end;
}
}
else if (respin)
{
derbio = BIO_new_file(respin, "rb");
if (!derbio)
{
BIO_printf(bio_err, "Error Opening OCSP response file\n");
goto end;
}
resp = d2i_OCSP_RESPONSE_bio(derbio, NULL);
BIO_free(derbio);
if(!resp)
{
BIO_printf(bio_err, "Error reading OCSP response\n");
goto end;
}
}
else
{
ret = 0;
goto end;
}
if (respout)
{
derbio = BIO_new_file(respout, "wb");
if(!derbio)
{
BIO_printf(bio_err, "Error opening file %s\n", respout);
goto end;
}
i2d_OCSP_RESPONSE_bio(derbio, resp);
BIO_free(derbio);
}
if (resp_text) OCSP_RESPONSE_print(out, resp, 0);
store = setup_verify(bio_err, CAfile, CApath);
if(!store) goto end;
bs = OCSP_response_get1_basic(resp);
i = OCSP_basic_verify(bs, NULL, store, 0);
if(i <= 0)
{
BIO_printf(bio_err, "Response verify error (%d)\n", i);
ERR_print_errors(bio_err);
}
else
BIO_printf(bio_err, "Response verify OK\n");
ret = 0;
end:
ERR_print_errors(bio_err);
X509_free(signer);
X509_STORE_free(store);
EVP_PKEY_free(key);
X509_free(issuer);
X509_free(cert);
BIO_free(cbio);
BIO_free(out);
OCSP_REQUEST_free(req);
OCSP_RESPONSE_free(resp);
OCSP_BASICRESP_free(bs);
EXIT(ret);
}
static int add_ocsp_cert(OCSP_REQUEST **req, X509 *cert, X509 *issuer)
{
OCSP_CERTID *id;
if(!issuer)
{
BIO_printf(bio_err, "No issuer certificate specified\n");
return 0;
}
if(!*req) *req = OCSP_REQUEST_new();
if(!*req) goto err;
id = OCSP_cert_to_id(NULL, cert, issuer);
if(!id) goto err;
if(!OCSP_request_add0_id(*req, id)) goto err;
return 1;
err:
BIO_printf(bio_err, "Error Creating OCSP request\n");
return 0;
}
static int add_ocsp_serial(OCSP_REQUEST **req, char *serial, X509 *issuer)
{
OCSP_CERTID *id;
X509_NAME *iname;
ASN1_BIT_STRING *ikey;
ASN1_INTEGER *sno;
if(!issuer)
{
BIO_printf(bio_err, "No issuer certificate specified\n");
return 0;
}
if(!*req) *req = OCSP_REQUEST_new();
if(!*req) goto err;
iname = X509_get_subject_name(issuer);
ikey = issuer->cert_info->key->public_key;
sno = s2i_ASN1_INTEGER(NULL, serial);
if(!sno)
{
BIO_printf(bio_err, "Error converting serial number %s\n", serial);
return 0;
}
id = OCSP_cert_id_new(EVP_sha1(), iname, ikey, sno);
ASN1_INTEGER_free(sno);
if(!id) goto err;
if(!OCSP_request_add0_id(*req, id)) goto err;
return 1;
err:
BIO_printf(bio_err, "Error Creating OCSP request\n");
return 0;
}
Reference in a new issue View git blame Copy permalink